cat's whiskers

noun

informal + old-fashioned

: a highly admired or exceptionally excellent person or thing

… he was the cat's whiskers, a business wunderkind, becoming chairman of a Fortune 100 company at the age of 38 on merit, not inheritance.

—Allan Sloan, Newsweek, 21 July 1997

Word History

First Known Use

1921, in the meaning defined above

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